EP3675511A1 - Verschalung einer lautsprecherbox, die eine verbindungsvorrichtung zu einer anderen lautsprecherbox umfasst, und lautsprecherbox, die eine solche verschalung umfasst - Google Patents

Verschalung einer lautsprecherbox, die eine verbindungsvorrichtung zu einer anderen lautsprecherbox umfasst, und lautsprecherbox, die eine solche verschalung umfasst Download PDF

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Publication number
EP3675511A1
EP3675511A1 EP19219618.6A EP19219618A EP3675511A1 EP 3675511 A1 EP3675511 A1 EP 3675511A1 EP 19219618 A EP19219618 A EP 19219618A EP 3675511 A1 EP3675511 A1 EP 3675511A1
Authority
EP
European Patent Office
Prior art keywords
slide
locking
rod
selection
locking system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19219618.6A
Other languages
English (en)
French (fr)
Other versions
EP3675511B1 (de
Inventor
Eric Ecosse
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nexo SA
Original Assignee
Nexo SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nexo SA filed Critical Nexo SA
Publication of EP3675511A1 publication Critical patent/EP3675511A1/de
Application granted granted Critical
Publication of EP3675511B1 publication Critical patent/EP3675511B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/026—Supports for loudspeaker casings
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/025—Arrangements for fixing loudspeaker transducers, e.g. in a box, furniture
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/02—Details casings, cabinets or mounting therein for transducers covered by H04R1/02 but not provided for in any of its subgroups
    • H04R2201/025—Transducer mountings or cabinet supports enabling variable orientation of transducer of cabinet
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/40—Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by H04R1/40 but not provided for in any of its subgroups
    • H04R2201/403—Linear arrays of transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R27/00—Public address systems

Definitions

  • the present invention relates to the field of loudspeakers.
  • It relates more particularly to an acoustic enclosure frame comprising a device for connection to another acoustic enclosure.
  • the loudspeakers are generally arranged in a particular way so as to obtain a given acoustic result.
  • a much sought after acoustic objective is notably to optimize the ratio between the sound level and the desired coverage area.
  • the loudspeakers are sometimes assembled together, in particular in a column (or “line arrays"), thanks to connection devices present on each loudspeaker.
  • These assemblies can consist of several enclosures, each weighing more than 50 kilograms. The enclosures are then either placed in suspension in the air by means of attachment means or placed on the ground.
  • enclosures intended to be assembled include a frame making it possible to support and maintain the various parts of the enclosure.
  • the frame of each enclosure generally comprises a connection device making it possible to hang it on another enclosure.
  • connection device comprises a locking system and an eyelet.
  • the locking system described in this document is a “T” assembly housed under the enclosure and comprising a mechanism enabling the movement of a lock.
  • the locking system is configured to take a locked configuration in which a lock of the first enclosure is housed in an eyelet of the second enclosure and an unlocked configuration or army in which the lock of the first enclosure is removed from the eyelet of the second enclosure.
  • the present invention aims to solve at least one of the aforementioned drawbacks, which can also lead to other advantages.
  • the acoustic enclosure frame thus configured and comprising such a connection device allows automatic assembly of the speakers with the advantage of being simple and more reliable.
  • the locking and arming of the locking system can be carried out by an operator alone. When approaching an enclosure with a locking system in the armed configuration of another enclosure, the two enclosures automatically lock together.
  • the guide elements of the slide sliding against the edges of the legs, allow good guidance of the slide between the legs.
  • the translational movement of the slide is thus fluid.
  • the fluidity of the sliding of the slide is improved by the presence of the spacer connecting the legs and making it possible to keep the legs parallel in them, with a better constancy of their distance from one another.
  • the assembly and arming of the speakers is facilitated because at least part of the movements of the various elements making up the connection device is automated.
  • the use of the first elastic member connected to the slide makes it possible to automate the translational movement of the slide from the high position to the low position.
  • the use of the second elastic member connected to the selector screw makes it possible to automate the movement of the selector screw from the separated position to the reduced position.
  • the locking rod ensures good locking of the locking system and thus a secure assembly of the two speakers.
  • the use of the actuator facilitates the use of the locking system by an operator.
  • the locking element comprises a collar integral with the locking rod, the collar being formed around the locking rod and having an outside diameter greater than a diameter of the lower orifice of the front tab.
  • the collar also constitutes a means of securing. Since the collar has an outside diameter greater than the diameter of the lower hole in the front tab, the collar prevents the locking rod from possibly passing beyond the tabs.
  • the locking system comprises a connecting lug fixed on the one hand to the locking element and on the other hand to the selection screw, and the locking element is crimped on the connecting lug.
  • Crimping the locking element on the connecting lug constitutes an additional means of securing the assembly between the locking element and the lugs. In addition, this allows to better ensure a squaring between the locking element and the connecting tab.
  • the actuator comprises a part overmolded on at least a part of the locking element.
  • the locking system comprises two spacers connecting the two tabs to one another, the two spacers being arranged on either side of the tabs.
  • the legs each have two upper holes
  • the locking system comprising two selection screws, the rods of the two selection screws passing through the upper holes of the two legs.
  • the opening of the slide comprises at least two wide portions and at least two narrow portions. The wide sections of the two selector screws are in the opening of the slide in the lowered position and the narrow sections of the two selector screws are in the opening in the withdrawn position.
  • the slide is provided with two pairs of guide elements, each pair of guide elements resting on an edge of at least one of the two tabs, on either side of the paw.
  • the locking system changes from the armed configuration to the forced open configuration by moving the slide from the low position to the upper position. And the locking system changes from the locked configuration to the forced open configuration by moving the actuator from the pushed position to the pulled position and the slide from the high position to the upper position.
  • the forced open configuration can be used when disconnecting two speakers initially assembled together.
  • the forced open configuration thus avoids the speakers remaining hooked to each other after unlocking or disconnection.
  • the slide can take the high position, the upper position and the low position.
  • the upper position being a position lying between the upper position and the lower position.
  • the frame comprises two connection devices configured to be placed on either side of the enclosure.
  • the invention also relates to an acoustic enclosure comprising a frame having at least some of the preceding characteristics.
  • the invention also relates to an assembly of at least two acoustic enclosures comprising a first acoustic enclosure and a second acoustic enclosure each comprising a frame having at least some of the preceding characteristics.
  • the eyelet of the second enclosure is locked in the locking system of the first enclosure when the first and second enclosures are joined together.
  • the figure 1 has an acoustic enclosure 1 having a substantially parallelepiped shape.
  • the enclosure 1 comprises external walls, in particular an upper wall 10, a lower wall 11, two side walls 12, a rear wall 13 and a front wall.
  • the front wall is not visible in the figures and is covered by a grid 14 allowing the emission of acoustic waves.
  • top, bottom, above, below, top and bottom are used to facilitate understanding and should be understood with respect to the figures and the illustrated embodiment. These terms should therefore not give rise to a restrictive interpretation.
  • the enclosure 1 comprises a frame 2 visible partly at the figure 1 and represented alone at the figure 2 .
  • the frame 2 comprises a support part 20 having a U-shape.
  • the support part 20 comprises a central part 201 and two return wings 202 extending from the central part 201.
  • the part support 20 in this example surrounds three quarters of the enclosure 1.
  • the frame 2 comprises two connection devices 21 fixed to the support part 20 and allowing connection to another acoustic enclosure.
  • the two connection devices 21 are here attached to the return wings 202 symmetrically with respect to a median plane of the frame 2.
  • connection devices may vary. Throughout the rest of the document, the description will be made relative to a single connection device but obviously remains valid for the other connection device.
  • connection device 21 comprises an eyelet 210 and a locking system 3.
  • the locking system 3 has two tabs, a front tab 31a and a rear tab 31b.
  • the legs 31a, 31b are here arranged opposite, parallel to one another.
  • Each tab 31a, 31b here has a shape of a plate with a substantially rectangular outline and comprises two flat faces 314 called internal flat face and external flat face.
  • An internal planar face of the front tab 31a is arranged opposite with an internal planar face of the rear tab 31b.
  • Each tab 31a, 31b comprises a lower orifice 311 and two upper orifices 312.
  • the frame 2 here also comprises an intermediate tab 31c disposed between the tabs 31a, 31b.
  • the intermediate tab 31c is substantially parallel to the tabs 31a, 31b.
  • the tabs 31a, 31b project from a lower end of the intermediate tab 31c so as to define a space E between the two tabs 31a, 31b below the intermediate tab 31c.
  • the lower 311 and upper 312 holes are here formed in the portions of the legs 31a, 31b defining between them the space E.
  • the intermediate tab 31c includes the eyelet 210.
  • the tabs 31a, 31b and the intermediate tab 31c are arranged so that only the eyelet 210 projects from the upper ends of the tabs 31a, 31b.
  • Two fixing screws 310 allow the fixing of the lugs 31a, 31b and of the intermediate lug 31c to one of the return wings 202 of the support part 20.
  • the locking system 3 also comprises a slide 32, shown in more detail in figures 3b to 3d .
  • the slide 32 here comprises a sliding part 320, and is provided with guide elements 321 and with a gripping element 322.
  • the sliding part 320 is arranged between the two tabs 31a, 31b, in particular in space E, as visible on the figures 4a , 4b , 5a , 5b .
  • the sliding part 320 here has a substantially parallelepiped shape and comprises, an upper face 320a, a lower face 320b, lateral faces 320c and front and rear faces 320d arranged opposite the lugs 31a, 31b.
  • the slide 32 comprises an opening 323, formed here in the sliding part 320.
  • the opening 323 is then arranged opposite the upper orifices 312 of the legs 31a, 31b.
  • the opening 323 has a variable width.
  • the opening 323 includes at least one wide portion 323a and at least one narrow portion 323b.
  • the narrow portion 323b has a smaller width than the wide portion 323a.
  • the opening 323 in this example comprises two wide portions 323a and three narrow portions 323b.
  • each of the wide portions 323a of the opening 323 is disposed between two narrow portions 323b and the narrow portion 323b of the middle is between the two wide portions 323a, ie: a narrow portion 323b, a portion wide 323a, a narrow portion 323b, a wide portion 323a and then a narrow portion 323b.
  • the wide portions 323a are interposed between the narrow portions 323b.
  • the opening 323 are here surrounded by a rim 320e set back with respect to at least the front face 320d of the sliding part 320 of the slider 32.
  • a first rim 320e here surrounds a narrow portion 323b and at least part of the wide portion 323a juxtaposed, then a second rim 320e is formed on either side of the narrow central portion 323b and at least part of the next wide portion 323a, then a third rim 320e surrounds the third narrow portion 323b.
  • the shape and dimensions of the opening of the slide can vary.
  • the number of wide and narrow portions may vary.
  • the guide elements 321 are formed projecting with respect to the lateral faces 320c of the sliding part 320.
  • the guide elements 321 are here four in number, two guide elements 321 are projecting from each lateral face 320c of the sliding part 320.
  • the guide elements 321 are formed symmetrically so that the guide elements 321 are formed projecting from the four corners of the sliding part 320.
  • the guide elements 321 are arranged outside the space E formed between the tabs 31a, 31b. Each guide element 321 rests on the edges 313 of the two tabs 31a, 31b on either side of the tabs.
  • the edges 313 of the lugs 31a, 31b and lateral faces 320c of the sliding part 320 are here coplanar.
  • the guide elements 321 here have a cylindrical shape.
  • the guide elements 321 are prominent relative to the outer planar faces of the front legs 31a, rear 31b.
  • the guide elements 321 allow the slide 32 to be guided in its translational movement between the two tabs 31a, 31b.
  • the cylindrical shape of the guide elements 32 and their dimensions allow support on several points against the edges 313 of the two legs 31a, 31b.
  • the support at several points improves the guide of the slide, as well as the stability of the slide and the fluidity of the sliding movement.
  • the guide elements 321 can bear only against the edges 313 of only one of the two tabs 31a, 31b.
  • the guide elements 321 can also have a different shape and / or dimensions.
  • the guide elements 321 may have a semi-cylindrical shape.
  • the number of support points, or the size of the support surface varies according to the shape and dimensions of the guide elements.
  • the number of guide elements 321 can vary.
  • the slide may comprise only two guide elements, preferably on either side of at least one of the legs.
  • the guide elements 321 can be distributed according to a different arrangement.
  • Three guide elements 321 can be formed on one side face 320c and a guide element 321 on the other side face 320c of the sliding part 320.
  • one of the guide elements 321 has a hole into which the gripping element 322 is inserted.
  • the gripping element 322 comprises a cylindrical part 322a and a handle 322b, integral with the cylindrical part 322a.
  • the gripping element 322 makes it possible to manually guide the slider 32. In fact, by gripping the handle 322b, an operator can slide the slider 32 between the two legs 31a, 31b.
  • the locking system 3 further comprises a first elastic member 33 connected on the one hand to the slide 32 and on the other hand to the intermediate tab 31c.
  • the first elastic member 33 is here connected to the sliding part 320 at the level of the upper face 320a.
  • the first elastic member 33 works in compression and is configured to push the slider 32 relative to the intermediate tab 31c.
  • the locking system 3 comprises two spacers 39 (visible on the figures 2 and 3a ) connecting the legs 31a, 31b.
  • the two spacers 39 are arranged on either side of the legs 31a, 31b.
  • the spacers 39 make it possible to keep the spacing between the legs 31a, 31b constant.
  • the legs 31a, 31b are thus kept parallel to each other, which improves the fluidity of the translational movement of the slide 32.
  • spacers 39 can vary.
  • a single spacer may for example suffice to connect the two legs 31a, 31b.
  • the locking system 3 also comprises two selection screws 34 visible in particular on the figure 3a .
  • the selection screws 34 are introduced into the upper holes 312 of the tabs and pass through the opening 323 of the slide 32.
  • Each selection screw 34 comprises a head 340 and a rod 341.
  • the rod 341 of each selection screw 34 comprises a wide part 341a having a so-called wide section and a narrow part 341b having a so-called narrow section, of diameter less than that of the wide section.
  • the wide part 341a is dimensioned so as to correspond substantially to the wide portions 323a of the opening 323: it has for example a diameter larger than the width of the narrow portions 323b and at most equal to the width of the wide portions 323a.
  • the narrow part 341b is dimensioned so as to correspond at most to the width of the narrow portions 323b of the opening 323.
  • the head 340 of each selection screw 34 has at least one section having a diameter larger than the opening and in particular wide portions 323a. The head 340 of each selection screw 34 thus makes it possible to prevent the selection screw 34 from becoming detached from the slide 32 and in particular that the selection screw 34 does not completely withdraw from the opening 323.
  • the locking system 3 also includes a guide block 343.
  • the guide block 343 surrounds part of the selection screws 34, here the head 340 and a part of the rod 341 of each selection screw 34.
  • the guide block 343 here has a parallelepiped shape and presses against the hind leg 31b.
  • the guide block 343 allows the translational movement of the selection screws 34 to be guided.
  • the locking system 3 further comprises a second elastic member 342, shown diagrammatically figure 3a .
  • the second elastic member 342 is here arranged in the guide block 343 and connected to each selection screw 34.
  • the second elastic member 342 surrounds part of the rod of the selection screw 34 and is kept in compression between the head of the selection screw 34 and a bottom of the guide block 343, attached to the rear tab 31b.
  • the second elastic member 342 is thus configured to push the corresponding screw head and thus drive the actuator 38 in the pushed position, as explained below.
  • the locking system 3 also includes a locking element, shown diagrammatically figure 4b for example.
  • the locking element comprises a locking rod 35 and a flange 37 secured to one another.
  • the locking rod 35 is here arranged below the slide 32.
  • the locking rod 35 is introduced at least into the lower orifice 311 of the front tab 31a.
  • the collar 37 is formed around the locking rod 35.
  • the collar 37 is formed outside the space formed between the two tabs 31a, 31b, facing the front tab 31a.
  • the collar 37 has an outside diameter greater than a diameter of the lower orifice 311 of the front tab 31a.
  • the locking system 3 here comprises a connecting tab 36 disposed opposite the front tab 31a.
  • the connecting tab 36 and the front tab 31a are arranged here in parallel.
  • the connecting lug 36 here comprises three through holes (indicated figures 5b ); two upper through holes 360 formed vis-à-vis with the upper orifices 312 of the legs 31a, 31b and a through hole 361 formed vis-à-vis with the lower orifice 311 of the legs 31a, 31b.
  • the locking rod 35 and the two selection screws 34 are respectively introduced into the upper through holes 360 and lower 361.
  • the angle formed by the locking rod 35 and the connecting tab 36 is here a right angle.
  • the locking element is crimped onto the connecting lug 36.
  • the flange 37 prevents the locking rod 35 from sliding beyond the lugs 31a, 31b .
  • the flange 37 thus constitutes a means of securing the locking of the locking system 3.
  • an actuator 38 is connected to the selection screws 34 and to the locking rod 35.
  • the actuator 38 here has the shape of a handle and bears against the front tab 31a.
  • the actuator 38 allows the gripping, for example by an operator, of the selection screws 34 and of the locking rod 35.
  • the actuator 38 is here formed by overmolding on at least the locking rod 35 and the connecting lug 36.
  • the overmolding is carried out after the assembly of the connecting lug 36 to the locking rod 35. This ensures a square between the locking rod 35 and the locking tab 36.
  • Each locking system 3 can take a locked configuration, an armed configuration and an open forced configuration.
  • the enclosure 1 is assembled with another enclosure when the two locking systems 3 are in the locked configuration, that is to say with the eyelet of one locked in the locking system of the other.
  • the two enclosures are not assembled.
  • the different configurations are detailed later in this document.
  • the slider 32 can slide vertically between the two tabs 31a, 31b.
  • the slide 32 can take a high position when the locking system 3 is in the locked configuration, a higher position when the locking system is in the forced open configuration and a low position when the locking system 3 is in the armed configuration.
  • the first elastic member 33 In the upper and upper positions, the first elastic member 33 is compressed. In the low position, the first elastic member 33 is released. The first elastic member 33 is configured to automatically return the slider 32 from the high position to the low position.
  • Each selection screw 34 can move between a reduced position and a separated position.
  • Selection screw 34 is in position brought back when the locking system 3 is in the locked configuration.
  • the selection screw 34 is in the separated position when the locking system 3 is in the armed configuration or in the forced open configuration.
  • the wide section of the rod 341 of the selection screw 34 is in the opening 323 of the slide 32.
  • the narrow section of the rod 341 of the screw 34 is in the opening 323 of the slide 32.
  • the second elastic member 342 is configured to automatically bring back the corresponding selection screw 34 from the spread position to the brought back position
  • the locking rod 35 moves so as to assume two positions; a locking position and an open position.
  • the locking rod 35 is in the locking position when the locking system 3 is in the locked configuration.
  • the locking rod 35 is in the open position when the locking system 3 is in the armed configuration or in the forced open configuration.
  • the locking rod 35 passes through the lower orifice 311 of each of the two tabs 31a, 31b.
  • the locking rod 35 In the open position, the locking rod 35 at least partially frees the space E defined between the two tabs 31a, 31b.
  • each second elastic member 342 returns the corresponding selection screw 34 from the separated position to the brought back position, the locking rod 35 is automatically brought back from the open position to the locked position.
  • the actuator 38 is configured to assume a pulled position and a pushed position. In the pulled position, the actuator 38 makes it possible to position the selection screws 34 in the separated position and the locking rod 35 in the open position so as to position the locking system 3 in the armed configuration. When each second elastic member 342 returns the corresponding selection screw 34 from the separated position to the brought back position, the actuator 38 is automatically brought back from the pulled position to the pushed position. In the pushed position, the actuator 38 is here in abutment against the front tab 31a.
  • FIG. 4a , 4b illustrate the locking system in armed configuration.
  • FIG. 5a , 5b illustrate the locking system in the locked configuration.
  • the figure 6 represents the first and second enclosures 1, 1 'assembled together.
  • the second enclosure 1 ' is here identical to the first enclosure 1.
  • the corresponding elements therefore have the same numerical references, surmounted by a sign "'" (prime).
  • the second enclosure has one or more eyelets capable of being locked in the locking system of the first enclosure.
  • the steps for arming the first enclosure 1 are as follows.
  • the locking rod 35 and the selection screws 34 are pulled by means of the actuator 38.
  • the locking rod 35 is brought to the open position; the locking rod 35 is removed at least from the lower orifice 311 of the rear tab 31b of the enclosure 1 and from the orifice of the eyelet 210 'of the other enclosure 1' if an eyelet was locked there.
  • the locking rod 35 at least partially frees the space E defined between the two legs 31a, 31b.
  • the locking rod 35 possibly remains pressed into the lower orifice 311 of the front tab 31a (it can however also be released therefrom).
  • With the selection screws 34 pulled the wide sections of the selection screw rods 341 34 are withdrawn from the opening 323 of the slide 32.
  • the selection screws 34 assume the separated position.
  • the second elastic member 342 of each selection screw 34 is compressed.
  • the wide portions 323a of the opening 323 therefore surround the narrow sections of the rods 341 of the selection screws.
  • the first elastic member 33 relaxes and thus pushes the slide which then slides down so as to take the low position.
  • the slide 32 slides until at least one of the selection screws 34 is in abutment against a lower surface S of the slide 32 formed in the opening 323 and forming a stop for at least one selection screw 34
  • the narrow parts 341b of the selector screws 34 are then positioned in narrow portions 323b of the opening 323 of the slide 32.
  • a wide part 341a of a selector screw 34 finds itself in abutment against part of the ledge 320e. The system is thus blocked in armed configuration.
  • the locking system 3 of the first enclosure 1 is thus in armed configuration.
  • the first enclosure 1 is then ready to be assembled with the second enclosure 1 '.
  • the second enclosure 1 ' is arranged below the first enclosure 1, which is set in armed configuration.
  • the upper wall 10 ′ of the second enclosure 1 ′ is arranged opposite the lower wall 11 of the first enclosure 1.
  • the eyelet 210 'of the second enclosure 1' is arranged between the lugs 31a, 31b of the first enclosure 1 at the level of the space E.
  • the eyelet 210 'of the second enclosure 1' is brought into abutment against the slide 32 of the first enclosure 1, in particular on the underside 320b of the sliding part 320.
  • the slider 32 of the first enclosure 1 slides upwards, being pushed back by the eyelet 210 '.
  • the first elastic member 33 is then compressed and the slide 32 then takes the high position.
  • the two selection screws 34 are found respectively in the two wide portions 323a of the opening 323.
  • the second elastic member 342 of each selection screw 34 then automatically brings the selection screws 34 towards the reduced position.
  • the locking rod 35 is also brought back to the locking position. In the locking position, the locking rod 35 passes through the lower orifices 311 of the lugs 31a, 31b of the first enclosure 1 and the eyelet 210 'of the second enclosure 1'.
  • the locking system 3 of the first enclosure 1 is thus in the locked configuration, that is to say that the eyelet 210 ′ of the second enclosure 1 ′ is engaged in the locking system 3 of the first enclosure 1.
  • the locking rod 35 guarantees good locking of the eyelet 210 ′ of the second enclosure 1 ′ in the locking system 3 of the first enclosure 1.
  • the two enclosures 1, 1 ′ are unlocked by disarming the first enclosure 1. This allows the eyelet 210 ′ of the second enclosure 1 ′ to be removed from its locking position in the locking system 3 of the first enclosure 1.
  • the first enclosure 1 When unlocking, in order to prevent the enclosures from hanging on to each other, the first enclosure 1 can be positioned in the forced open configuration.
  • the actuator 38 is put in the pulled position, then driving the selection screws 34 in the separated position and the locking rod 35 in the open position.
  • the first enclosure 1 can then be brought into an open forced configuration.
  • the slider 32 is pushed upwards further by means of the gripping element 322.
  • the slider 32 is pushed back towards the upper position, a position which is here higher than the high position, that is to say a position in which the slide is closer to the intermediate tab 31c and where the first elastic member 33 is more compressed than in the high position.
  • the selection screws 34 are thus located in the narrow intermediate portion 323b and the lower narrow portion 323b of the opening 323.
  • the narrow portions 323b of the opening 323 surround the narrow section of the rod 341 of each selection screw 34 and the corresponding wide part 341a of the rod 341 is then in abutment against part of the rim 320e.
  • the locking system 3 is thus blocked in the forced open configuration.
  • the first enclosure 1 is thus ready to be assembled with another acoustic enclosure.
  • the first enclosure 1 In order to allow automatic assembly of the second enclosure 1 'with the first enclosure 1, the first enclosure 1 must be armed.
  • the forced open configuration of the locking system of the first enclosure 1 has been described starting from the locked configuration.
  • the first enclosure 1 can be put into forced open configuration after being fully armed.
  • the enclosure can be brought into configuration by displacement of the slide 32 towards the upper position by means of the gripping element 322.
  • the displacement of the slide can be achieved otherwise, in particular at by means of a different gripping element or by direct gripping and displacement of the sliding part 320.
  • the assembly and unlocking steps described above are preferably carried out simultaneously for the two locking systems 3 of the first enclosure 1 and the two eyelets 210 'of the second enclosure 1'.
  • the steps for arming and forcing the first enclosure 1 into open forced configuration can be carried out simultaneously for the two locking systems 3.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Casings For Electric Apparatus (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
EP19219618.6A 2018-12-27 2019-12-24 Verschalung einer lautsprecherbox, die eine verbindungsvorrichtung zu einer anderen lautsprecherbox umfasst, und lautsprecherbox, die eine solche verschalung umfasst Active EP3675511B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1874253A FR3091447B1 (fr) 2018-12-27 2018-12-27 Armature d’enceinte acoustique comprenant un dispositif de connexion à une autre enceinte acoustique et enceinte acoustique comportant une telle armature

Publications (2)

Publication Number Publication Date
EP3675511A1 true EP3675511A1 (de) 2020-07-01
EP3675511B1 EP3675511B1 (de) 2021-06-16

Family

ID=66690601

Family Applications (1)

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EP19219618.6A Active EP3675511B1 (de) 2018-12-27 2019-12-24 Verschalung einer lautsprecherbox, die eine verbindungsvorrichtung zu einer anderen lautsprecherbox umfasst, und lautsprecherbox, die eine solche verschalung umfasst

Country Status (5)

Country Link
US (1) US10897661B2 (de)
EP (1) EP3675511B1 (de)
JP (1) JP7423302B2 (de)
CN (1) CN111385681B (de)
FR (1) FR3091447B1 (de)

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* Cited by examiner, † Cited by third party
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FR3094422B1 (fr) * 2019-03-29 2021-11-12 L Acoustics Module de fixation pour enceinte
US20210292709A1 (en) 2020-03-23 2021-09-23 Ricoh Commpany, Ltd. Manufacturing method for substrate on which nerve cells are arranged

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EP2640087A1 (de) 2012-03-16 2013-09-18 Nexo Lautsprecherbox mit einer mechanischen Anschlussvorrichtung an eine andere Lautsprecherbox, und/oder eine Vorrichtung zum Einstellen des Winkels zwischen den Boxen

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EP1523214A2 (de) * 2003-10-10 2005-04-13 Outline di Noselli G. & C. S.N.C. Mechanisches System zur Aufhängung,Verbindung,Absenkung der linearen Anordnungen von Lautsprechernboxen
US8130996B2 (en) * 2007-05-04 2012-03-06 K & F Beteiligungen Gmbh Loud speaker group assembled from a plurality of loud speakers with snap-on connections
US20120093347A1 (en) * 2010-10-13 2012-04-19 Alan Brock Adamson Array element rigging component, system and method
EP2640087A1 (de) 2012-03-16 2013-09-18 Nexo Lautsprecherbox mit einer mechanischen Anschlussvorrichtung an eine andere Lautsprecherbox, und/oder eine Vorrichtung zum Einstellen des Winkels zwischen den Boxen

Also Published As

Publication number Publication date
JP7423302B2 (ja) 2024-01-29
CN111385681A (zh) 2020-07-07
US10897661B2 (en) 2021-01-19
JP2020115635A (ja) 2020-07-30
EP3675511B1 (de) 2021-06-16
US20200213698A1 (en) 2020-07-02
FR3091447B1 (fr) 2021-01-22
CN111385681B (zh) 2023-10-31
FR3091447A1 (fr) 2020-07-03

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